Podcast
Questions and Answers
What is the primary purpose of Dual-energy X-ray absorptiometry (DXA)?
What is the primary purpose of Dual-energy X-ray absorptiometry (DXA)?
- Diagnosing metabolic diseases
- Detecting infections in bones
- Measuring bone mineral density (correct)
- Assessing body composition
Why does DXA use two X-ray beams with different energy levels?
Why does DXA use two X-ray beams with different energy levels?
- To diagnose metabolic diseases accurately
- To determine bone mineral density by subtracting soft tissue absorption (correct)
- To detect infections in bones more effectively
- To assess the composition of soft tissues
What distinguishes DXA from a nuclear bone scan?
What distinguishes DXA from a nuclear bone scan?
- DXA is used for diagnosing and following osteoporosis (correct)
- DXA is used to detect infections, fractures, or tumors in bones
- DXA is sensitive to certain metabolic diseases of bones
- DXA is used to assess body composition
Why is it not possible to determine bone attenuation from a single X-ray beam?
Why is it not possible to determine bone attenuation from a single X-ray beam?
What does the difference in total absorption between the two X-ray energies allow DXA to do?
What does the difference in total absorption between the two X-ray energies allow DXA to do?
What is the primary purpose of Dual-energy X-ray absorptiometry (DXA)?
What is the primary purpose of Dual-energy X-ray absorptiometry (DXA)?
What distinguishes DXA from a nuclear bone scan?
What distinguishes DXA from a nuclear bone scan?
Why does DXA use two energies of X-ray?
Why does DXA use two energies of X-ray?
What allows DXA to determine bone mineral density from the absorption of each X-ray beam?
What allows DXA to determine bone mineral density from the absorption of each X-ray beam?
What is the most widely used and most thoroughly studied bone density measurement technology?
What is the most widely used and most thoroughly studied bone density measurement technology?
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